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Finding the Fourth Proportional to 970.33, 1,454.82 and 450.04

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Solution

The fourth proportional to 970.33, 1,454.82 and 450.04 is: 674.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    970.33 : 1,454.82 = 450.04 : x
  2. Step 2: Convert to fraction form
    970.33/1,454.82 = 450.04/x
  3. Step 3: Cross multiply
    970.33x = 1,454.82 × 450.04
  4. Step 4: Simplify right side
    970.33x = 654,727.19
  5. Step 5: Solve for x
    x = 654,727.19/970.33
  6. Step 6: Final answer
    x = 674.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.